USD668276SActiveUtility
Return air bulkhead
Individually held — no corporate assignee on recordPriority: Dec 9, 2011Filed: Dec 9, 2011Granted: Oct 2, 2012
Est. expiryDec 9, 2031(~5.4 yrs left)· nominal 20-yr term from priority
Inventors:Richard B. Jungwirth
43
PatentIndex Score
11
Cited by
61
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for a return air bulkhead, as shown and described.
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